• G Ital Cardiol · Jun 1998

    Treatment of anterior mitral leaflet prolapse: chordal suture plication and free-edge remodeling in 34 patients.

    • D G Di Mattia, M Lemma, R Scrofani, A Mangini, and P Fundarò.
    • Dipartimento di Chirurgia Toracica e Cardiovascolare Ospedale Luigi Sacco, Milano.
    • G Ital Cardiol. 1998 Jun 1; 28 (6): 630-5.

    AbstractIn this study are considered the short-middle term results of anterior mitral leaflet prolapse repair obtained by means of a personal operative technique: chordal shortening and free edge remodeling. In our institution since 1993 34 consecutive patients with degenerative myxomatous mitral regurgitation, (mean age 63.3 years, range 25 to 83 years), underwent surgery. Before the operation 22 patients (64.7%) were in NYHA functional class III or IV. Mitral insufficiency, evaluated by echocardiogram, was severe in all patients; a prolapse of only anterior leaflet was present in 10 patients, both leaflets prolapsed in the others. Patients with chordal rupture of anterior mitral leaflet were excluded. Anterior mitral leaflet prolapse repair was performed with two continuous sutures including the free edge as well as the chordae for a variable length (2 mm up to 5 mm) depending on the degree of the elongation. A concomitant posterior leaflet quadrangular resection was performed in 24 patients (70.5%), and the procedure was almost always completed by a posterior suture annuloplasty reinforced by a glutaraldehyde-tanned strip of autologous pericardium. There were no perioperative deaths. The postoperative course was uneventful in all cases, and there were no hospital deaths. Postoperative echocardiographic evaluation showed satisfactory valve function. The mean valvular regurgitation before surgical procedure was 3.67 +/- 0.4, after repair 0.30 +/- 0.5 (p < 0.01). Follow-up was completed in all patients (mean 16.5 months) with no late deaths. One patient required early reoperation for recurrent mitral regurgitation resulting for a recurring anterior leaflet prolapse. We conclude that this technique is a safe, effective and easy procedure for the repair of anterior mitral leaflet prolapse without rupture. Nevertheless, a larger number of patients and a longer follow-up are required to confirm our results.

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